Staff Accountant: Full-Cycle, Multi-State Tax & Mentorship

Harris Technology Services; West Chester (Chester County); On-site; USD 68,000 - 85,000; Full time

Benefits offered by this job

Health, dental, and vision coverage

401(k)

Paid time off and holidays

Direct mentorship from Controller

Job summary

Harris Technology Services is a West Chester, PA-based provider of security and technology systems. The Staff Accountant will support cash receipts, accounts payable, invoicing, expense reports, and payroll tax across multiple jurisdictions.

You will work with service, project, and procurement teams to ensure accurate recording and timely billing, with direct access to the Controller and leadership for visibility.

Qualifications

• 2+ years of accounting experience in a Staff Accountant, Accounting Specialist, or similar role.
• Working knowledge of accounts payable, accounts receivable, cash application, customer billing, and expense report processing.
• Solid understanding of basic accounting principles and the general ledger.
• Familiarity with sales tax and payroll tax concepts and filing requirements.
• Strong Microsoft Excel skills (lookups, pivot tables, reconciling large data sets).
• Demonstrated ability to identify, research, and resolve discrepancies independently and see them through to closure.
• Strong written and verbal communication skills - this role talks directly to customers, vendors, internal teams, and tax agencies.
• High attention to detail, strong organization, and the ability to hold a daily processing rhythm while absorbing research work.

Responsibilities

• Post daily cash receipts and keep cash records accurate and current, including applying customer payments against invoices and purchase orders.
• Process and record accounts payable invoices daily, ensuring proper GL coding, supporting documentation, approval, and timely processing.
• Match vendor invoices to purchase orders and receipts, and work with Procurement to resolve discrepancies before they age.
• Assist with vendor onboarding, W-9 collection, and annual 1099 preparation.
• Prepare and process customer invoices for service tickets, projects, product sales orders, and recurring agreements.
• Review billing for accuracy and completeness - labor, materials, agreement coverage, freight, and tax - and coordinate with Service, Project Management, and Sales to resolve discrepancies before invoices are released.
• Support collections by researching customer disputes, reissuing documentation, and submitting invoices through customer AP portals where required.
• Maintain accurate customer billing records, including PO tracking and remaining PO balances.
• Process employee expense reports: review receipts, verify approvals, confirm accurate coding against the correct job or department, and ensure timely reimbursement.
• Reconcile company credit card activity and follow up on missing receipts and unsubmitted reports.
• Research and resolve sales and use tax issues, including taxability questions on labor versus materials, multi-state and local rate discrepancies, customer exemption certificates, and notices from state and local tax authorities.
• Maintain the exemption certificate file and confirm certificates are current before invoices are released.
• Support monthly and quarterly sales tax filings across the jurisdictions in which we operate.
• Research and resolve payroll tax issues, including state and local registrations for employees in new jurisdictions, agency notices and reconciliation of payroll tax liabilities to the general ledger.
• Maintain accurate accounting records and complete supporting documentation.
• Prepare assigned balance sheet account reconciliations and research reconciling items to resolution.
• Support month-end and year-end close activities as assigned.
• Assist with audit, insurance, and licensing information requests.
• Perform other accounting duties and special projects as needed.

Job description

Harris Technology Services is a West Chester, PA-based provider of security and technology systems. The Staff Accountant will support cash receipts, accounts payable, invoicing, expense reports, and payroll tax across multiple jurisdictions.

You will work with service, project, and procurement teams to ensure accurate recording and timely billing, with direct access to the Controller and leadership for visibility.